Sole



FIG. 1 is a bottom plan view of the sole showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a cross-sectional view thereof taken along lines 3--3 in FIG. 1; and,

FIG. 4 is a cross-sectional view thereof taken along lines 4--4 in FIG. 1.

The broken lines shown in FIGS. 3 and 4 illustrate environmental features which are not part of the claimed design. 

The ornamental design for a sole, as shown and described. 